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Dr.-Ing. Steffen Schmidt

CV

2005             Diploma in Applied mathematics (Technomathematik), TUM, MI

2005-2009    Research assisitant TUM, MW, Subject Group Gasdynamics

seit 2009       Senior research associate and head of group Gasdynamics, TUM, MW, AER

2015             PhD with summa cum laudae, TUM, Institute of Aerodynamics and Fluidmechanics

Research Area

  • Cavitating flows (liquid flows with phase transition) -> see research group gasdynamics Gasdynamik
  • Cavitation erosion prediction via numerical simulation of collapse-induced peak loads at material surfaces 
  • Gasdynamics including complex fluids at subsonic and supersonic conditions
  • Nonlinear wavedynamics
  • Numerical methods for compressible flows (low Mach number consistent flux functions)
  • High Performance Computing (Gordon Bell Prize 2013 )

Current Reseach Projects

see Research Group Gasdynamics

Teaching

  • Fluidmechanics I (exercise lecture and tutorials)
  • Fluidmechanics II (exercise lecture and tutorials)
  • Gasdynamics (main lecture, exercise lecture and tutorials)
  • Gasdynamical Fluids with Energy Input and Phase Changes (Workshop)
  • Awards for teaching "Gasdynamics provided by the "Faschaft Maschinenwesen, TUM" in 2007 (1st), 2008 (2nd), 2011 (2nd), 2016 (2nd and 3rd for exercise lecture and main class)

Publications

2019

Journal Articles

  • Bangxiang Che (车邦祥)1,2,a), Ning Chu (初宁),Schmidt, Steffen J.; Likhachev, Dmitriy: Control effect of micro vortex generators on leading edge of attached cavitation. Physics of Fluids 31 (4), 2019, 044102 more… BibTeX Full text ( DOI )

2018

Contributions to Collections

  • Örley, F.; Trummler, T.; Mihatsch, M.S.; Schmidt, S.J.; Hickel, S.: LES of cavitating nozzle and jet flows. In: ERCOFTAC Series. Springer Netherland, 2018, pp- 133-139 more… BibTeX Full text ( DOI )

Journal Articles

  • Budich, B ; Schmidt, S.J.; Adams, N.A.:: Numerical simulation and analysis of condensation shocks in cavitating flow. JOURNAL OF FLUID MECHANICS Vol. 838, 2018, pp. 759-813 more… BibTeX Full text ( DOI )
  • Trummler, T.; Rahn, D.; Schmidt, S.J.; Adams, N.A.: Large eddy simulations of cavitating flow in a step nozzle with injection into gas. Atomization and Sprays (Vol. 28 Issue 10), 2018, pp. 931-955 more… BibTeX Full text ( DOI )

Conference Papers

  • Gorkh, P.; Schmidt, S. J.; Adams, N. A.: Numerical investigation of cavitation-regimes in a converging-diverging nozzle. International Symposium on Cavitation [CAV, 10th, 2018], 2018, 5 S. more… BibTeX
  • Ogloblina, D.; Schmidt, S. J.; Adams, N.A.: Numerical simulation of collapsing vapor bubble clusters close to a rigid wall. International Symposium on Cavitation [CAV, 10th, 2018], 2018, 6 S. more… BibTeX
  • Ogloblina, D.; Schmidt, S.J.; Adams, N.A.: Simulation and analysis of collapsing vapor-bubble clusters with special emphasis on potentially erosive impact loads at walls. International Conference on Experimental Fluid Mechanics [12th, ICEFM, 2018] (EPJ Web of Conferences), EDP Sciences, 2018 more… BibTeX Full text ( DOI )
  • Trummler, T.; Freytag, L., Schmidt, S. J.; Adams, N. A.: Large eddy simulation of a collapsing vapor bubble containing non-condensable gas. International Symposium on Cavitation [CAV, 10th, 2018], 2018, 4 S. more… BibTeX
  • Trummler, T.; Rahn, D.; Schmidt, S. J.; Adams, N. A.: Large eddy simulation of cavitating nozzle flows and primary jet break-up with gas-entrainment into the nozzle. International Symposium on Cavitation [CAV, 10th, 2018], 2018, 5 S. more… BibTeX

2017

Journal Articles

  • Beban, B., Schmidt, S.J., Adams, N.A.: Numerical study of submerged cavitating throttle flows. Atomization and Sprays 27 (8), 2017, 723-739 more… BibTeX Full text ( DOI )
  • Örley, F.; Hickel, S.; Schmidt, S.J.; Adams, N.A.: Large-Eddy Simulation of turbulent, cavitating fuel flow inside a 9-hole Diesel injector including needle movement. International Journal of Engine Research (18 (3)), 2017, pp. 195-211 more… BibTeX Full text ( DOI )

2016

Journal Articles

  • Egerer, C.P.; Schmidt, S.J.; Hickel, S.; Adams, N.A.: Efficient implicit LES method for the simulation of turbulent cavitating flows. Journal of Computational Physics Volume 316, 2016, Pages 453-469 more… BibTeX Full text ( DOI )
  • Örley, F.; Hickel, S.; Schmidt, S.J.; Adams, N.A.: Large-Eddy Simulation of turbulent, cavitating fuel flow inside a 9-hole diesel injector including needle movement. International Journal of Engine Research, 2016 more… BibTeX Full text ( DOI )

Conference Papers

  • Beban, B.; Schmidt, S.J.; Adams, N.A.: Numerical Investigation of Flow Dynamics in Caviating Micro Throttles and Connection to Cavtiation Erosion. ILASS, 2016 more… BibTeX
  • Budich, B.; Schmidt, S.J.; Adams, N.A.: Implicit Large Eddy Simulation of the Cavitating Model Propeller VP1304 Using a Compressible Homogeneous Mixture Model. Symposium on Naval Hydrodynamics [31st], 2016 more… BibTeX
  • Budich, B.; Schmidt, S.J.; Adams, N.A.: Numerical Investigation of Condensation Shocks in Cavitating Flow. Symposium on Naval Hydrodynamics [31st], 2016 more… BibTeX

2015

Contributions to Collections

  • Egerer, C.; Hickel, S.; Schmidt, S.; Adams, N.A.: LES of temporally evolving turbulent cavitating shear layers ( Book Chapter). In: High Performance Computing in Science and Engineering '14: Transactions of the High Performance Computing Center, Stuttgart (HLRS). Publisher: Springer International Publishing, 2015, Pages 367-378 more… BibTeX

Journal Articles

  • Beban, B.; Legat, S.; Schmidt, S.J.; Adams, N.A.: On instationary mechanisms in cavitating micro throttles. Journal of Physics: Conference Series (Vol. 656), 2015, Article number 012079 more… BibTeX Full text ( DOI )
  • Budich, B.; Neuner, S.; Schmidt, S.J.; Adams, N.A.: Numerical Investigation of Shedding Partial Cavities Over a Sharp Wedge. Journal of Physics: Conference Series (656(1), art. no. 012122), 2015 more… BibTeX Full text ( DOI )
  • Mihatsch, M.S. ; Schmidt, S.J.; Adams, N.A.: Cavitation erosion prediction based on analysis of flow dynamics and impact load spectra. Physics of Fluids Volume 27 (Issue 10), 2015 more… BibTeX Full text ( DOI )
  • Örley, F. ; Trummler, T.; Hickel, S.; Mihatsch, M.S.; Schmidt, S.J.; Adams, N.A.: Large-eddy simulation of cavitating nozzle flow and primary jet break-up. Physics of Fluids 27 (8) (8), 2015 more… BibTeX Full text ( DOI )
  • Örley, F.; Hickel, S.; Schmidt, S.J.; Adams, N.A.: LES of cavitating flow inside a Diesel injector including dynamic needle movement. Journal of Physics: Conference Series (656(1)), 2015, Article Number 012097 more… BibTeX Full text ( DOI )
  • Örley, F.; Trummler, T.; Hickel, S.; Mihatsch, M.S.; Schmidt, S.J.; Adams, N.A.: Large-eddy simulation of cavitating nozzle and jet flows. Journal of Physics: Conference Series (656(1), 012096), 2015 more… BibTeX Full text ( DOI )

Conference Papers

  • Budich, B.; Bormann, F.; Schmidt, S.J.; Adams, N.A.: Assessment of Erosion Aggressiveness for the Cavitating Model Propeller VP1304 by Numerical Simulation. Numerical Towing Tank Symposium [18th], 2015 more… BibTeX
  • Budich, B.; Neuner, S.; Schmidt, S.J.; Adams, N.A.: Numerical Investigation of Shedding Partial Cavities Over a Sharp Wedge. International Symposium on Cavitation [9th], 2015 more… BibTeX
  • Budich, B.; Schmidt, S.J.; Adams, N.A.: Numerical Investigation of a Cavitating Model Propeller Including Compressible Shock Wave Dynamics. International Symposium on Marine Propulsors [4 th], 2015 more… BibTeX
  • Budich, B.; Schmidt, S.J.; Adams, N.A.: Numerical simulation of cavitating ship propeller flow and assessment of erosion aggressiveness. International Conference on Computational Methods in Marine Engineering [6th., MARINE ] , 2015 Rome; Italy; 15. - 17. June , Pages 709-721 more… BibTeX
  • Örley, F.; Trummler, T.; Hickel, S.; Mihatsch, M.S.; Schmidt, s.J.; Adams, N.A.: LES of Caviating Nozzle and Jet Flows. Direct and Large-Eddy Simulation X, ERCOFTAC Workshop DLES 10, 2015 more… BibTeX

2014

Contributions to Collections

  • Schmidt, S.J.; Mihatsch, M.A.; Thalhamer, M.; Adams, N.A.: Assessment of Erosion Sensitive Areas via Compressible Simulation of Unsteady Caviating Flows Advanced Experimental and Numerical Techniques of Caviation Erosion Prediction. In: Fluid Mechanics and Its Applications. Springer Verl., 2014 more… BibTeX Full text ( DOI )

Journal Articles

  • Egerer, C. P.; Hickel, S.; Schmidt, S. J.; Adams, N. A.: Large-eddy simulation of turbulent cavitating flow in a micro channel. Physics of Fluids (26, 085102), 2014 more… BibTeX Full text ( DOI )

2013

Contributions to Collections

  • Adams, N.A.; Schmidt, S.J.: Shocks in Cavitaing Flows. In: Delale, C.F. (Ed.): Bubble Dynamics and Shock Waves . Springer, 2013, pp. 235-256 more… BibTeX Full text ( DOI )
  • Egerer, C.; Hickel, S.; Schmidt, S.; Adams, N.: LES of Turbulent Caviating Shear Layers. In: High Performance Computing in Science and Engineering ´13. Springer International Pzublishing, 2013, pp. 349-360 more… BibTeX Full text ( DOI )

Conference Papers

  • Egerer, C.P.; Hickel, S.; Schmidt, S.J.; Adams, N.A.: Analysis of turbulent cavitating flow in a micro-channel. SHF Conference; Hydraulic Machines and Cavitation / Air in Water Pipes, 2013 more… BibTeX
  • Mihatsch, M. S.; Schmidt, S. J.; Thalhamer, M.; Adams, N. A.: Numerical Prediction of Erosive Collapse Events in Unsteady Compressible Cavitating Flows. International Conference on Computational Methods in Marine Engineering [6th], MARINE [IV, 2013], Springer, 2013 more… BibTeX Full text ( DOI )
  • Mihatsch, M.S.; Schmidt, s.J.; Adams, N.A.: Estimation of incubation times through numerical simulation of 3-D unsteady Cavitating flows. SHF Conference; Hydraulic Machines and Caviation / Air in Water Pipes, 2013 more… BibTeX
  • Rossinelli, D.; Hejazialhosseini, B.; Hadjidoukas, P.; Bekas, C.; Curioni, A.; Bertsch, A.; Futral, S.; Schmidt, S.J.; Adams, N.A.; Koumoutsakos, P.: 11 PFLOP/s simulations of cloud cavitation collapse. International Conference for High Performance Computing, Networking, Storage and Analysis, SC2013, 2013 more… BibTeX Full text ( DOI )
  • Örley, F.; Grilli, M.; Hickel, S.; Schmidt, S.; Adams, N.A.: Application of Immersed Boundary Methods for the Investigation of Cavitating Liquid flows Interacting with Moving Geometries. EUROMECH COLLOQUIUM 549, 2013Immersed Boundary Methods: Current Status and Future Research Directions more… BibTeX

2012

Conference Papers

  • Egerer, C.P.; Hickel, S.; Schmidt, S.J.; Adams, N.A.: Turbulence Modulation by Phase Change in a Cavitating Shear Layer. International ERCOFTAC Symposium on Engineering Turbulence Modelling and Measurments, 2012 more… BibTeX
  • Mihatsch, M.S.; Schmidt, S. J., Thalhamer, M.; Adams, N.A.: Quantitative Prediction of Erosion Aggressiveness through Numerical Simulation of 3-D Unsteady Cavitating Flows. Proceedings of the 8th International Symposium on Cavitation, 2012 more… BibTeX
  • Thalhamer, M.; Schmidt, S.J.; Mihatsch, M.; Adams, N.A.: Numerical Simulation of sheet and cloud cavitation and detecton of cavitation erosion. ISROMAC (International Symposium on Transport Phenomena and Dynamics of Rotating Machinery), 2012 more… BibTeX

2011

Conference Papers

  • Hickel, S.; Mihatsch, M.; Schmidt, S.J.: Implicit Large Eddy simulation of Caviation in Micro Channel Flows. WIMRC Caviation Forum , 2011 more… BibTeX
  • Mihatsch, M.; Schmidt, S.J.; Thalhamer, M.; Adams, N.A.: Numerical Prediction of Erosive Collapse Events in Unsteady Compressible Cavitating Flows. Marine 2011, 2011International Conference on Computational Methods in Marine Engineering more… BibTeX
  • Mihatsch, M.; Schmidt, s.J.; Thalhamer, M.; Adams, N.A.; Skoda, R.; Iben, U.: Collapse Detection in Compressible 3-D Caviating Flows and Assessment of Erosion Criteria. WIMRC Caviation Forum, 2011 more… BibTeX
  • Schmidt, S.J.; Mihatsch, M.; Thalhamer, M.; Adams, N.A.: Assessment of the Prediction Capability of a Thermodynamic Caviation Model for the Collapse Characteristics of a Vapor-Bubble Cloud. WIMRC Cavitation Forum 2011, 2011 more… BibTeX
  • Skoda, R.; Iben, U.; Morozov, a.; Mihatsch, M.; Schmidt, S.J.; Adams, N.A.: Numerical simulation of Collapse Induced Shock Dynamics for the Prediction of the Geometry, Pressure and Temperature Impact on the Caviation Erosion in Micro Channels. WIMRC Caviation Forum, 2011 more… BibTeX

2010

Contributions to Collections

  • Thalhamer, M.; Schmidt, S.J.; Schnerr, G.H.: Numerical Simulation and Analysis of Caviating Flows. In: InSiDE (Innovatives Supercomputing in Deutschland) . HLRS, 2010 more… BibTeX

Conference Papers

  • Delale, C.F.; Baskaya, Z.; Schmidt, S.J.: Non-barotropic Models of Cavitation and Their Applications. ICMF 2010, 2010International Conference on Multiphase Flow; DelaleBS-ICMF2010 more… BibTeX

2009

Journal Articles

  • Sezal, I.H.; Schmidt, S.J.; Schnerr, G.H.; thalhamer, M.; Förster, M.: Shock and Wave Dynamics in Cavitating Compressible Liquid Flows in Injection Nozzles. Journal of Shock Waves, 2009 more… BibTeX Full text ( DOI )

Conference Papers

  • Delale, C.F.; Baskaya, Z.; Schmidt, S.J.; Schnerr, G.H.: Unsteady Bubbly Cavitating Nozzle Flows. International Symposium on Cavitation [7th], 2009 more… BibTeX
  • Schmidt, S.J.; Thalhamer, M.; Schnerr, G.H.: Density Based CFD-Techniques for Simulation of Caviation Induced Shock Emission. European Turbomachinery Conference [8th], 2009Proc. 8th ETC 2009, pp. 197-208 more… BibTeX
  • Schmidt, S.J.; Thalhamer, M.; Schnerr, G.H.: Inertia Controlled Instability and Small Scale Structures of Sheet and Cloud Cavitation. International Symposium on Cavitation [7th.], 2009Paper f17 more… BibTeX

2008

Journal Articles

  • Schnerr, G.H.; Sezal, I.H.; Schmidt, S.J.: Numerical Investigation of Three-dimensional cloud cavitation with Special Emphasis on Collapse Induced Shock Dynamics. Physics of Fluids (20, Issue 4, 040703), 2008 more… BibTeX

Conference Papers

  • Schmidt, S.J.; Sezal, I.H.; Schnerr, G.H.; Thalhamer, M.: Riemann techniques for the Simulation of Compressible Liquid flows with Phase-Transition at all Mach numbers - Shock and Wave Dynamics in caviating 3-D Micro and Macro Systems. AEAA Aerospace Sciences Meeting and Exhibit, 2008AIAA paper 2008-1238 more… BibTeX
  • Schmidt, S.J.; Sezal, I.H.; Schnerr, G.H.; Thalhamer, M.: Numerical analysis of Shock Dynamics for Detection of Erosion Senitive Aras in complex 3-D Flows. WIMRC Caviation Forum, 2008, pp. 107-120 more… BibTeX

2007

Conference Papers

  • Schmidt, S.J.; Sezahl, I.H.; Schnerr, G.H.; Thalhamer, M.: Shock Waves as Driving Mechanism for Caviation Erosion. International Symposium on Experimental and Computational Aerothermodynamics of Internal Flows , 2007ISAIF [8th]; Paper ISAIF8-0044, pp. 931-940 more… BibTeX
  • Schmidt, S.J.; Sezal, I.H.; Schnerr, G.H.; Thalhamer, M.; Förster, M.: Compressible Simulation of Liquid / Vapor Two-phase Flows with Local Phase Transition. International Conference on Multiphase Flow [ICMF], 2007Paper S7 Tue D 26 more… BibTeX
  • Schnerr, G.H.; Sezal, I.H.; Schmidt, S.J.: Numerical Investigation of 3-D Cloud Cavitation with Special Emphasis on Collapse Induced Shock Dynamics. IUTAM Symposium on Recent Advances in Multiphase Flows, 2007Numerical and Experimental more… BibTeX
  • Sezal, I.H. ; Schmidt, S.J.; Schnerr, G.H.; Thalhamer, M.; Förster, M.: Shock and Wave Dynamics in Fuel Injection Systems. International Symposium on shock Waves [ISSW, 26th], 2007 more… BibTeX

2006

Conference Papers

  • Schmidt, S.; Sezal, I.; Schnerr, G.H.: Compressible Simulation of High-Speed Hydrodynamics with Phase Change. European Conference on Computational Fluid Dynamics , 2006ECCOMAS CFD more… BibTeX
  • Schnerr, G.H.; Schmidt, S.; Sezal, I.; Thalhamer, M.: Shock and Wave Dynamics in Compressible Liquid Flows with emphasis on Unsteady Load on Hydrofoils and on Caviation in Injection Nozzles. International Symposium on Cavitation [6th. ], 2006CAV more… BibTeX